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  1. Join Date : Aug 2016
    Posts : 1
    windows 10
       03 Aug 2016 #1

    Windows 10 Anniversary update problems, not recognizing external hdd


    I updated my Windows 10 using media creation tools, after ~3hrs the update completed, but I had a problem. The OS couldnt access my external hdd. Because of that I decided to rollback, my hdd worked again. After checking that the update was in fact the problem, I did a clean installation of the anniversary version, but the problem persisted. I noticed that it is in fact recognizing the partition as RAW instead of NTFS.
    How can I solve that problem?
    Last edited by Helderjfl; 03 Aug 2016 at 15:02.
      My System SpecsSystem Spec


  2. Join Date : Jan 2014
    Posts : 927
    Windows 8.1, 10
       03 Aug 2016 #2

    I don't know, but I think some other users had similar problems with disks apparently losing partition information when upgrading.
    It's good to know that the rollback cured the problem though.
      My System SpecsSystem Spec

  3.    03 Aug 2016 #3

    I have 2 external drives and it didn't affect either. I've noticed better noticeable better performance after the Anniversary update.
      My System SpecsSystem Spec


  4. Join Date : Aug 2016
    Posts : 9
    Windows 10 64 bit - 1511 build (roll back from 1607 because NTFS to RAW bug)
       06 Aug 2016 #4

    I think I also suffer it and here you have a link to the very same problem reported by other user in reddit forums

    I suffer those exact symptoms:
    • HDD Seagate External Portable Drive 1TB USB 3.0 P/N:1D6ADD-500 S/N: NA484299. It doesn't matter if I use either 2.0 or 3.0 ports.
    • chkdsk perfectly sees the NTFS partition.
    • Piriform Recuva perfectly sees the NTFS partition.
    • But neither Explorer nor Disk Administrator see it. Disk Administrator sees a "RAW" partition.
    • I've also used this HDD in a Samsung Smart TV which perfectly sees the drive contents too.


    I suppose I'll roll-back to Windows 10 build 1511 ASAP.

    THIS IS A SERIOUS BUG I THINK.
      My System SpecsSystem Spec


  5. Join Date : Jan 2014
    Posts : 927
    Windows 8.1, 10
       06 Aug 2016 #5

    arspr said: View Post
    THIS IS A SERIOUS BUG I THINK.
    Agreed, and some folks posted similar problems on the big Anniversary Update thread.

    It's good to know that, even though Windows 10 reports it as 'RAW', the drive contents are still unaffected.

    One suggestion I have is to use the Feedback app to report it. It needs a Microsoft Account and probably involves Microsoft looking at your computer's configuration, which I know some folks wouldn't be happy with, but on the other hand it increases the chance that Microsoft will fix it.
      My System SpecsSystem Spec


  6. Join Date : Aug 2016
    Posts : 9
    Windows 10 64 bit - 1511 build (roll back from 1607 because NTFS to RAW bug)
       06 Aug 2016 #6

    It's sad but I'm not going to EVER fill up a Microsoft Account... (and less because of this reason).

    Nevertheless I've checked that when you press the roll-back option in windows configuration you get a feedback survey. I'll provide the link to these threads there...

    More info: Although chkdsk perfectly sees the drive/partition, the rest of cmd does not seem to. I mean, if I type "g:" in order to go to that conflictive drive I get a "Solicitud no compatible." answer. (That's Spanish. In English it would be "Incompatible request" or something like that). "dir g:" gets the very same answer.

    More info (and 2): If I connect the HDD to my router (it offers this option), I can access it from Windows as a LAN drive ...

    I'm tired, reverting to 1511 NOW.

    More info (and 3) after reverting:

    Wow, the revert process has been pretty fast. I'm on 1511 again.

    I can confirm that I can access the drive again. When I've plugged the drive I've got the typical "the drive has errors" message which is not unexpected as I've hot-plugged / -unplugged it several times in several places...

    Nevertheless I've used the Repair tool (which is chkdsk in disguise). I copy the result report in case some of it can offer some insight about this trouble (sorry it's in Spanish):

    Code:
     - <EventData>
         <Data>Comprobando el sistema de archivos en G: La etiqueta de volumen es  Seagate Expansion Drive. Etapa 1: Examen de la estructura básica del sistema de  archivos... 160000 registros de archivos procesados. Comprobación de archivos  completada. 0 registros de archivos grandes procesados. 0 registros de archivos  no válidos procesados. Etapa 2: Examen de la vinculación de nombres de  archivos... 186268 entradas de índice procesadas. Comprobación de índices  completada. CHKDSK está examinando los archivos no indizados para volver a  conectarse a su directorio original. 0 archivos no indizados recuperados en su  directorio original. CHKDSK está recuperando los archivos no indizados  restantes. Objetos perdidos está en \found.000 Etapa 3: Examen de los  descriptores de seguridad... Liberando 1 entradas de índice no usadas del índice  $SII del archivo 0x9. Liberando 1 entradas de índice no usadas del índice $SDH  del archivo 0x9. Liberando 1 descriptores de seguridad no usados. Comprobación  de descriptores de seguridad completada. 13135 archivos de datos procesados.  CHKDSK está comprobando el diario USN... Se ha completado la comprobación del  diario USN. Corrigiendo errores en el atributo de mapa de bits de la tabla  maestra de archivos (MFT). CHKDSK detectó espacio disponible marcado como  asignado en el mapa de bits del volumen. Windows ha hecho algunas correcciones  en el sistema de archivos. No se requiere ninguna otra acción. 976759807 KB de  espacio total en disco. 188724652 KB en 74787 archivos. 48608 KB en 13137  índices. 255791 KB en uso por el sistema. El archivo de registro ha ocupado  65536 kilobytes. 787730756 KB disponibles en disco. 4096 bytes en cada unidad de  asignación. 244189951 unidades de asignación en disco en total. 196932689  unidades de asignación disponibles en disco.</Data>  
    
        <Binary>007102007C570100F44502000000000023000000000000000000000000000000</Binary>  
    
       </EventData>
    Last edited by arspr; 07 Aug 2016 at 03:02.
      My System SpecsSystem Spec


  7. Join Date : Aug 2016
    Posts : 9
    W10
       07 Aug 2016 #7

    I have the exact same problem with a 500GB Western Digital device. Not recognized by Windows 10, but work perfectly on WIndows 7.

    I managed to transfert all the data from the 500GB WD to a PC with Windows 7. What will happen now if I format the external drive with Windows 10 ? Will it solve the problem as Windows 10 will be able to recognize the drive then ?
      My System SpecsSystem Spec


  8. Join Date : Aug 2016
    Posts : 9
    Windows 10 64 bit - 1511 build (roll back from 1607 because NTFS to RAW bug)
       07 Aug 2016 #8

    anthorama said: View Post
    What will happen now if I format the external drive with Windows 10 ? Will it solve the problem as Windows 10 will be able to recognize the drive then ?
    I wouldn't do that. The problem is in Windows not in your drive. And in this thread at least one user has said that even formating the drive hasn't solved the issue.
      My System SpecsSystem Spec


  9. Join Date : Aug 2016
    Posts : 9
    W10
       07 Aug 2016 #9

    arspr said: View Post
    I wouldn't do that. The problem is in Windows not in your drive. And in this thread at least one user has said that even formating the drive hasn't solved the issue.
    So there's no solution at the moment for this problem ?
      My System SpecsSystem Spec


  10. Join Date : Aug 2016
    Posts : 9
    Windows 10 64 bit - 1511 build (roll back from 1607 because NTFS to RAW bug)
       07 Aug 2016 #10

    anthorama said: View Post
    So there's no solution at the moment for this problem ?
    Roll back to 1511 while you can.
      My System SpecsSystem Spec


 
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